*{
	margin:0;
	padding: 0;
	-webkit-tap-highlight-color:transparent;
	box-sizing: border-box;
	-webkit-box-sizing:border-box;

}
body{
	font-size: 14px;
	font-family: "黑体";
	color: #333;
	min-width: 320px;
	max-width: 640px;
	margin: 0 auto;
}
a{
	color: #333;
	text-decoration: none;
}
a:hover{
	text-decoration: none;
}
input{
	border: none;
	outline: none;
	-webkit-appearance:none;
}
ul,ol{
	list-style: none;
}
/*头部*/
.ys_boss{
	width: 100%;
	max-width: 640px;
	min-width: 320px;
	margin: 0 auto;
	

}
.ys_boss>.ys_banner{
	position: fixed;
	top: 0%;
	height: 44px;
	width: 100%;
	z-index: 1000;
	display: flex;
	align-items: center;
	background-color: black;
	box-shadow: 0px 1px 3px ;
	min-width: 320px;
	max-width: 640px;
	

}
.ys_boss>.ys_banner>a{
	height: 100%;
	width: 45%;
	padding:0px;
	margin:0px;
}
.ys_input1{
	height: 100%;
	width: 100%;
	background-color: rgb(63,68,74);
	color: white;
	font-size: 1.1rem;
	/*position: absolute;*/
	

}
.ys_input2{
	height: 100%;
	width: 100%;
	font-size: 1.1rem;
	background-color: rgb(255,255,255);
	/*position: absolute;*/
	
}
.ys_input3{
	height: 100%;
	width: 90%;
	display: none;
	background-color: white;
	color:black;
	font-size: 1.1rem;
	padding-left: 9px;
}
.ys_img1{
	
	}
.ys_imgx{
	display: none;
}
.section_div{
	width: 80%;
	margin-left: 50px;
	margin-top: 100px;
	background-color: white;
	color: rgb(81,81,81);
}
.section_div>p{
	font-size: 2.5rem;
}




/*尾部*/
.footer{
	width: 90%;
	height:60px;
	background-color: rgb(221,221,221);
	position: fixed;
	bottom:1%;
	z-index: 1000;
	display: flex;
	align-items: center;
	border-radius: 8px;
	margin-left: 20px;
	min-width: 320px;
	max-width: 640px;
	
}
.footer>img{
	width: 55px;
	height: 55px;
	border-radius: 10px;

}
.footer>div{
	margin-left: 20px;
	font-size: 1.2rem;
}
.footer>a{
	width: 96px;
	height: 29px;
	border-radius: 8px;
	border:1px solid black;
	margin-left: 30px;
}
.footer>a>input{
	height: 100%;
	width: 100%;
